Home / 74,666.97-111,997.65-18,507.24

Finding the Fourth Proportional to 74,666.97, 111,997.65 and 18,507.24

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Solution

The fourth proportional to 74,666.97, 111,997.65 and 18,507.24 is: 27,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,666.97 : 111,997.65 = 18,507.24 : x
  2. Step 2: Convert to fraction form
    74,666.97/111,997.65 = 18,507.24/x
  3. Step 3: Cross multiply
    74,666.97x = 111,997.65 × 18,507.24
  4. Step 4: Simplify right side
    74,666.97x = 2,072,767,387.99
  5. Step 5: Solve for x
    x = 2,072,767,387.99/74,666.97
  6. Step 6: Final answer
    x = 27,760.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.